Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c2cff11ff6242b2…

MALICIOUS

PDF

41.8 KB Created: 2021-05-13 20:04:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: df9f0e393e92e71e5c240d64d5868e07 SHA-1: b10d7459f2eb5c8bbd7cd3229b931a83f73a6e1a SHA-256: 0c2cff11ff6242b2d40afab2c41ca34615223981bece2fd5d304e676adbfebd3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to websites advertising game hacks and generators, such as 'free robux' and 'minecraft hacks'. These links are flagged as malicious redirectors, indicating a likely attempt to lead the user to a malicious site. The document's structure and content suggest a social engineering lure to trick users into clicking these links, potentially for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/www-roblox-com-robux-free-game-hack In PDF document text
    • https://www.manisoft.ir/images/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • https://www.manisoft.ir/images/free-robux-mobile_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/coin-master-hack-version-33-2_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/free-roblox-clothes_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://www.manisoft.ir/images/roblox-com-hack_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/free-robux-picture_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/fbchampion_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • https://www.manisoft.ir/images/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/coin-master-free-spins-no-survey_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/how-to-get-minecraft-on-chromebook-for-free_GM479516143.pdfIn PDF document text
    • https://www.manisoft.ir/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.manisoft.ir/images/roblox-top_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000488a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x488A 24136 bytes
SHA-256: e8b79d5ecdad6238ab8e0352fe93acb97fbe51b850efd5a74dffe8db3233884b
font_01_sfnt_off00007fc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC4 18708 bytes
SHA-256: c91f27fd30ec200e2a0dbd5cc88ad35776bc2371b1b59549651737de5f7a4295

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